This article outlines the background and methodology for the 2001 role delineation study.

The Certifying Board of Gastroenterology Nurses and Associates conducted a role delineation study by asking board members to specify aspects of nationally accepted practice performance domains and tasks (Krauss & Rosen, 1991).

Repeating the CNRN role delineation study within 5 years was found to be congruent with the rapidly changing nature of nursing and the practices of other professional specialty organizations that have conducted role delineation studies every 4-6 years (Biel et al.

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